actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/ActionMenuPresenter.java

   1 /*
   2  * Copyright (C) 2011 The Android Open Source Project
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package com.actionbarsherlock.internal.view.menu;
  18
  19 import static com.actionbarsherlock.internal.ResourcesCompat.getResources_getInteger;
  20 import java.util.ArrayList;
  21 import java.util.HashSet;
  22 import java.util.Set;
  23 import android.content.Context;
  24 import android.content.res.Configuration;
  25 import android.content.res.Resources;
  26 import android.os.Build;
  27 import android.os.Parcel;
  28 import android.os.Parcelable;
  29 import android.util.SparseBooleanArray;
  30 import android.view.SoundEffectConstants;
  31 import android.view.View;
  32 import android.view.View.MeasureSpec;
  33 import android.view.ViewConfiguration;
  34 import android.view.ViewGroup;
  35 import android.widget.ImageButton;
  36 import com.actionbarsherlock.R;
  37 import com.actionbarsherlock.internal.view.View_HasStateListenerSupport;
  38 import com.actionbarsherlock.internal.view.View_OnAttachStateChangeListener;
  39 import com.actionbarsherlock.internal.view.menu.ActionMenuView.ActionMenuChildView;
  40 import com.actionbarsherlock.view.ActionProvider;
  41 import com.actionbarsherlock.view.MenuItem;
  42
  43 /**
  44  * MenuPresenter for building action menus as seen in the action bar and action modes.
  45  */
  46 public class ActionMenuPresenter extends BaseMenuPresenter
  47         implements ActionProvider.SubUiVisibilityListener {
  48     //UNUSED private static final String TAG = "ActionMenuPresenter";
  49
  50     private View mOverflowButton;
  51     private boolean mReserveOverflow;
  52     private boolean mReserveOverflowSet;
  53     private int mWidthLimit;
  54     private int mActionItemWidthLimit;
  55     private int mMaxItems;
  56     private boolean mMaxItemsSet;
  57     private boolean mStrictWidthLimit;
  58     private boolean mWidthLimitSet;
  59     private boolean mExpandedActionViewsExclusive;
  60
  61     private int mMinCellSize;
  62
  63     // Group IDs that have been added as actions - used temporarily, allocated here for reuse.
  64     private final SparseBooleanArray mActionButtonGroups = new SparseBooleanArray();
  65
  66     private View mScrapActionButtonView;
  67
  68     private OverflowPopup mOverflowPopup;
  69     private ActionButtonSubmenu mActionButtonPopup;
  70
  71     private OpenOverflowRunnable mPostedOpenRunnable;
  72
  73     final PopupPresenterCallback mPopupPresenterCallback = new PopupPresenterCallback();
  74     int mOpenSubMenuId;
  75
  76     public ActionMenuPresenter(Context context) {
  77         super(context, R.layout.abs__action_menu_layout,
  78                 R.layout.abs__action_menu_item_layout);
  79     }
  80
  81     @Override
  82     public void initForMenu(Context context, MenuBuilder menu) {
  83         super.initForMenu(context, menu);
  84
  85         final Resources res = context.getResources();
  86
  87         if (!mReserveOverflowSet) {
  88             mReserveOverflow = reserveOverflow(mContext);
  89         }
  90
  91         if (!mWidthLimitSet) {
  92             mWidthLimit = res.getDisplayMetrics().widthPixels / 2;
  93         }
  94
  95         // Measure for initial configuration
  96         if (!mMaxItemsSet) {
  97             mMaxItems = getResources_getInteger(context, R.integer.abs__max_action_buttons);
  98         }
  99
 100         int width = mWidthLimit;
 101         if (mReserveOverflow) {
 102             if (mOverflowButton == null) {
 103                 mOverflowButton = new OverflowMenuButton(mSystemContext);
 104                 final int spec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
 105                 mOverflowButton.measure(spec, spec);
 106             }
 107             width -= mOverflowButton.getMeasuredWidth();
 108         } else {
 109             mOverflowButton = null;
 110         }
 111
 112         mActionItemWidthLimit = width;
 113
 114         mMinCellSize = (int) (ActionMenuView.MIN_CELL_SIZE * res.getDisplayMetrics().density);
 115
 116         // Drop a scrap view as it may no longer reflect the proper context/config.
 117         mScrapActionButtonView = null;
 118     }
 119
 120     public static boolean reserveOverflow(Context context) {
 121         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
 122             return (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB);
 123         } else {
 124             return !HasPermanentMenuKey.get(context);
 125         }
 126     }
 127
 128     private static class HasPermanentMenuKey {
 129         public static boolean get(Context context) {
 130             return ViewConfiguration.get(context).hasPermanentMenuKey();
 131         }
 132     }
 133
 134     public void onConfigurationChanged(Configuration newConfig) {
 135         if (!mMaxItemsSet) {
 136             mMaxItems = getResources_getInteger(mContext,
 137                     R.integer.abs__max_action_buttons);
 138             if (mMenu != null) {
 139                 mMenu.onItemsChanged(true);
 140             }
 141         }
 142     }
 143
 144     public void setWidthLimit(int width, boolean strict) {
 145         mWidthLimit = width;
 146         mStrictWidthLimit = strict;
 147         mWidthLimitSet = true;
 148     }
 149
 150     public void setReserveOverflow(boolean reserveOverflow) {
 151         mReserveOverflow = reserveOverflow;
 152         mReserveOverflowSet = true;
 153     }
 154
 155     public void setItemLimit(int itemCount) {
 156         mMaxItems = itemCount;
 157         mMaxItemsSet = true;
 158     }
 159
 160     public void setExpandedActionViewsExclusive(boolean isExclusive) {
 161         mExpandedActionViewsExclusive = isExclusive;
 162     }
 163
 164     @Override
 165     public MenuView getMenuView(ViewGroup root) {
 166         MenuView result = super.getMenuView(root);
 167         ((ActionMenuView) result).setPresenter(this);
 168         return result;
 169     }
 170
 171     @Override
 172     public View getItemView(MenuItemImpl item, View convertView, ViewGroup parent) {
 173         View actionView = item.getActionView();
 174         if (actionView == null || item.hasCollapsibleActionView()) {
 175             if (!(convertView instanceof ActionMenuItemView)) {
 176                 convertView = null;
 177             }
 178             actionView = super.getItemView(item, convertView, parent);
 179         }
 180         actionView.setVisibility(item.isActionViewExpanded() ? View.GONE : View.VISIBLE);
 181
 182         final ActionMenuView menuParent = (ActionMenuView) parent;
 183         final ViewGroup.LayoutParams lp = actionView.getLayoutParams();
 184         if (!menuParent.checkLayoutParams(lp)) {
 185             actionView.setLayoutParams(menuParent.generateLayoutParams(lp));
 186         }
 187         return actionView;
 188     }
 189
 190     @Override
 191     public void bindItemView(MenuItemImpl item, MenuView.ItemView itemView) {
 192         itemView.initialize(item, 0);
 193
 194         final ActionMenuView menuView = (ActionMenuView) mMenuView;
 195         ActionMenuItemView actionItemView = (ActionMenuItemView) itemView;
 196         actionItemView.setItemInvoker(menuView);
 197     }
 198
 199     @Override
 200     public boolean shouldIncludeItem(int childIndex, MenuItemImpl item) {
 201         return item.isActionButton();
 202     }
 203
 204     @Override
 205     public void updateMenuView(boolean cleared) {
 206         super.updateMenuView(cleared);
 207
 208         if (mMenu != null) {
 209             final ArrayList<MenuItemImpl> actionItems = mMenu.getActionItems();
 210             final int count = actionItems.size();
 211             for (int i = 0; i < count; i++) {
 212                 final ActionProvider provider = actionItems.get(i).getActionProvider();
 213                 if (provider != null) {
 214                     provider.setSubUiVisibilityListener(this);
 215                 }
 216             }
 217         }
 218
 219         final ArrayList<MenuItemImpl> nonActionItems = mMenu != null ?
 220                 mMenu.getNonActionItems() : null;
 221
 222         boolean hasOverflow = false;
 223         if (mReserveOverflow && nonActionItems != null) {
 224             final int count = nonActionItems.size();
 225             if (count == 1) {
 226                 hasOverflow = !nonActionItems.get(0).isActionViewExpanded();
 227             } else {
 228                 hasOverflow = count > 0;
 229             }
 230         }
 231
 232         if (hasOverflow) {
 233             if (mOverflowButton == null) {
 234                 mOverflowButton = new OverflowMenuButton(mSystemContext);
 235             }
 236             ViewGroup parent = (ViewGroup) mOverflowButton.getParent();
 237             if (parent != mMenuView) {
 238                 if (parent != null) {
 239                     parent.removeView(mOverflowButton);
 240                 }
 241                 ActionMenuView menuView = (ActionMenuView) mMenuView;
 242                 menuView.addView(mOverflowButton, menuView.generateOverflowButtonLayoutParams());
 243             }
 244         } else if (mOverflowButton != null && mOverflowButton.getParent() == mMenuView) {
 245             ((ViewGroup) mMenuView).removeView(mOverflowButton);
 246         }
 247
 248         ((ActionMenuView) mMenuView).setOverflowReserved(mReserveOverflow);
 249     }
 250
 251     @Override
 252     public boolean filterLeftoverView(ViewGroup parent, int childIndex) {
 253         if (parent.getChildAt(childIndex) == mOverflowButton) return false;
 254         return super.filterLeftoverView(parent, childIndex);
 255     }
 256
 257     public boolean onSubMenuSelected(SubMenuBuilder subMenu) {
 258         if (!subMenu.hasVisibleItems()) return false;
 259
 260         SubMenuBuilder topSubMenu = subMenu;
 261         while (topSubMenu.getParentMenu() != mMenu) {
 262             topSubMenu = (SubMenuBuilder) topSubMenu.getParentMenu();
 263         }
 264         View anchor = findViewForItem(topSubMenu.getItem());
 265         if (anchor == null) {
 266             if (mOverflowButton == null) return false;
 267             anchor = mOverflowButton;
 268         }
 269
 270         mOpenSubMenuId = subMenu.getItem().getItemId();
 271         mActionButtonPopup = new ActionButtonSubmenu(mContext, subMenu);
 272         mActionButtonPopup.setAnchorView(anchor);
 273         mActionButtonPopup.show();
 274         super.onSubMenuSelected(subMenu);
 275         return true;
 276     }
 277
 278     private View findViewForItem(MenuItem item) {
 279         final ViewGroup parent = (ViewGroup) mMenuView;
 280         if (parent == null) return null;
 281
 282         final int count = parent.getChildCount();
 283         for (int i = 0; i < count; i++) {
 284             final View child = parent.getChildAt(i);
 285             if (child instanceof MenuView.ItemView &&
 286                     ((MenuView.ItemView) child).getItemData() == item) {
 287                 return child;
 288             }
 289         }
 290         return null;
 291     }
 292
 293     /**
 294      * Display the overflow menu if one is present.
 295      * @return true if the overflow menu was shown, false otherwise.
 296      */
 297     public boolean showOverflowMenu() {
 298         if (mReserveOverflow && !isOverflowMenuShowing() && mMenu != null && mMenuView != null &&
 299                 mPostedOpenRunnable == null && !mMenu.getNonActionItems().isEmpty()) {
 300             OverflowPopup popup = new OverflowPopup(mContext, mMenu, mOverflowButton, true);
 301             mPostedOpenRunnable = new OpenOverflowRunnable(popup);
 302             // Post this for later; we might still need a layout for the anchor to be right.
 303             ((View) mMenuView).post(mPostedOpenRunnable);
 304
 305             // ActionMenuPresenter uses null as a callback argument here
 306             // to indicate overflow is opening.
 307             super.onSubMenuSelected(null);
 308
 309             return true;
 310         }
 311         return false;
 312     }
 313
 314     /**
 315      * Hide the overflow menu if it is currently showing.
 316      *
 317      * @return true if the overflow menu was hidden, false otherwise.
 318      */
 319     public boolean hideOverflowMenu() {
 320         if (mPostedOpenRunnable != null && mMenuView != null) {
 321             ((View) mMenuView).removeCallbacks(mPostedOpenRunnable);
 322             mPostedOpenRunnable = null;
 323             return true;
 324         }
 325
 326         MenuPopupHelper popup = mOverflowPopup;
 327         if (popup != null) {
 328             popup.dismiss();
 329             return true;
 330         }
 331         return false;
 332     }
 333
 334     /**
 335      * Dismiss all popup menus - overflow and submenus.
 336      * @return true if popups were dismissed, false otherwise. (This can be because none were open.)
 337      */
 338     public boolean dismissPopupMenus() {
 339         boolean result = hideOverflowMenu();
 340         result |= hideSubMenus();
 341         return result;
 342     }
 343
 344     /**
 345      * Dismiss all submenu popups.
 346      *
 347      * @return true if popups were dismissed, false otherwise. (This can be because none were open.)
 348      */
 349     public boolean hideSubMenus() {
 350         if (mActionButtonPopup != null) {
 351             mActionButtonPopup.dismiss();
 352             return true;
 353         }
 354         return false;
 355     }
 356
 357     /**
 358      * @return true if the overflow menu is currently showing
 359      */
 360     public boolean isOverflowMenuShowing() {
 361         return mOverflowPopup != null && mOverflowPopup.isShowing();
 362     }
 363
 364     /**
 365      * @return true if space has been reserved in the action menu for an overflow item.
 366      */
 367     public boolean isOverflowReserved() {
 368         return mReserveOverflow;
 369     }
 370
 371     public boolean flagActionItems() {
 372         final ArrayList<MenuItemImpl> visibleItems = mMenu.getVisibleItems();
 373         final int itemsSize = visibleItems.size();
 374         int maxActions = mMaxItems;
 375         int widthLimit = mActionItemWidthLimit;
 376         final int querySpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
 377         final ViewGroup parent = (ViewGroup) mMenuView;
 378
 379         int requiredItems = 0;
 380         int requestedItems = 0;
 381         int firstActionWidth = 0;
 382         boolean hasOverflow = false;
 383         for (int i = 0; i < itemsSize; i++) {
 384             MenuItemImpl item = visibleItems.get(i);
 385             if (item.requiresActionButton()) {
 386                 requiredItems++;
 387             } else if (item.requestsActionButton()) {
 388                 requestedItems++;
 389             } else {
 390                 hasOverflow = true;
 391             }
 392             if (mExpandedActionViewsExclusive && item.isActionViewExpanded()) {
 393                 // Overflow everything if we have an expanded action view and we're
 394                 // space constrained.
 395                 maxActions = 0;
 396             }
 397         }
 398
 399         // Reserve a spot for the overflow item if needed.
 400         if (mReserveOverflow &&
 401                 (hasOverflow || requiredItems + requestedItems > maxActions)) {
 402             maxActions--;
 403         }
 404         maxActions -= requiredItems;
 405
 406         final SparseBooleanArray seenGroups = mActionButtonGroups;
 407         seenGroups.clear();
 408
 409         int cellSize = 0;
 410         int cellsRemaining = 0;
 411         if (mStrictWidthLimit) {
 412             cellsRemaining = widthLimit / mMinCellSize;
 413             final int cellSizeRemaining = widthLimit % mMinCellSize;
 414             cellSize = mMinCellSize + cellSizeRemaining / cellsRemaining;
 415         }
 416
 417         // Flag as many more requested items as will fit.
 418         for (int i = 0; i < itemsSize; i++) {
 419             MenuItemImpl item = visibleItems.get(i);
 420
 421             if (item.requiresActionButton()) {
 422                 View v = getItemView(item, mScrapActionButtonView, parent);
 423                 if (mScrapActionButtonView == null) {
 424                     mScrapActionButtonView = v;
 425                 }
 426                 if (mStrictWidthLimit) {
 427                     cellsRemaining -= ActionMenuView.measureChildForCells(v,
 428                             cellSize, cellsRemaining, querySpec, 0);
 429                 } else {
 430                     v.measure(querySpec, querySpec);
 431                 }
 432                 final int measuredWidth = v.getMeasuredWidth();
 433                 widthLimit -= measuredWidth;
 434                 if (firstActionWidth == 0) {
 435                     firstActionWidth = measuredWidth;
 436                 }
 437                 final int groupId = item.getGroupId();
 438                 if (groupId != 0) {
 439                     seenGroups.put(groupId, true);
 440                 }
 441                 item.setIsActionButton(true);
 442             } else if (item.requestsActionButton()) {
 443                 // Items in a group with other items that already have an action slot
 444                 // can break the max actions rule, but not the width limit.
 445                 final int groupId = item.getGroupId();
 446                 final boolean inGroup = seenGroups.get(groupId);
 447                 boolean isAction = (maxActions > 0 || inGroup) && widthLimit > 0 &&
 448                         (!mStrictWidthLimit || cellsRemaining > 0);
 449
 450                 if (isAction) {
 451                     View v = getItemView(item, mScrapActionButtonView, parent);
 452                     if (mScrapActionButtonView == null) {
 453                         mScrapActionButtonView = v;
 454                     }
 455                     if (mStrictWidthLimit) {
 456                         final int cells = ActionMenuView.measureChildForCells(v,
 457                                 cellSize, cellsRemaining, querySpec, 0);
 458                         cellsRemaining -= cells;
 459                         if (cells == 0) {
 460                             isAction = false;
 461                         }
 462                     } else {
 463                         v.measure(querySpec, querySpec);
 464                     }
 465                     final int measuredWidth = v.getMeasuredWidth();
 466                     widthLimit -= measuredWidth;
 467                     if (firstActionWidth == 0) {
 468                         firstActionWidth = measuredWidth;
 469                     }
 470
 471                     if (mStrictWidthLimit) {
 472                         isAction &= widthLimit >= 0;
 473                     } else {
 474                         // Did this push the entire first item past the limit?
 475                         isAction &= widthLimit + firstActionWidth > 0;
 476                     }
 477                 }
 478
 479                 if (isAction && groupId != 0) {
 480                     seenGroups.put(groupId, true);
 481                 } else if (inGroup) {
 482                     // We broke the width limit. Demote the whole group, they all overflow now.
 483                     seenGroups.put(groupId, false);
 484                     for (int j = 0; j < i; j++) {
 485                         MenuItemImpl areYouMyGroupie = visibleItems.get(j);
 486                         if (areYouMyGroupie.getGroupId() == groupId) {
 487                             // Give back the action slot
 488                             if (areYouMyGroupie.isActionButton()) maxActions++;
 489                             areYouMyGroupie.setIsActionButton(false);
 490                         }
 491                     }
 492                 }
 493
 494                 if (isAction) maxActions--;
 495
 496                 item.setIsActionButton(isAction);
 497             }
 498         }
 499         return true;
 500     }
 501
 502     @Override
 503     public void onCloseMenu(MenuBuilder menu, boolean allMenusAreClosing) {
 504         dismissPopupMenus();
 505         super.onCloseMenu(menu, allMenusAreClosing);
 506     }
 507
 508     @Override
 509     public Parcelable onSaveInstanceState() {
 510         SavedState state = new SavedState();
 511         state.openSubMenuId = mOpenSubMenuId;
 512         return state;
 513     }
 514
 515     @Override
 516     public void onRestoreInstanceState(Parcelable state) {
 517         SavedState saved = (SavedState) state;
 518         if (saved.openSubMenuId > 0) {
 519             MenuItem item = mMenu.findItem(saved.openSubMenuId);
 520             if (item != null) {
 521                 SubMenuBuilder subMenu = (SubMenuBuilder) item.getSubMenu();
 522                 onSubMenuSelected(subMenu);
 523             }
 524         }
 525     }
 526
 527     @Override
 528     public void onSubUiVisibilityChanged(boolean isVisible) {
 529         if (isVisible) {
 530             // Not a submenu, but treat it like one.
 531             super.onSubMenuSelected(null);
 532         } else {
 533             mMenu.close(false);
 534         }
 535     }
 536
 537     private static class SavedState implements Parcelable {
 538         public int openSubMenuId;
 539
 540         SavedState() {
 541         }
 542
 543         SavedState(Parcel in) {
 544             openSubMenuId = in.readInt();
 545         }
 546
 547         @Override
 548         public int describeContents() {
 549             return 0;
 550         }
 551
 552         @Override
 553         public void writeToParcel(Parcel dest, int flags) {
 554             dest.writeInt(openSubMenuId);
 555         }
 556
 557         @SuppressWarnings("unused")
 558         public static final Parcelable.Creator<SavedState> CREATOR
 559                 = new Parcelable.Creator<SavedState>() {
 560             public SavedState createFromParcel(Parcel in) {
 561                 return new SavedState(in);
 562             }
 563
 564             public SavedState[] newArray(int size) {
 565                 return new SavedState[size];
 566             }
 567         };
 568     }
 569
 570     private class OverflowMenuButton extends ImageButton implements ActionMenuChildView, View_HasStateListenerSupport {
 571         private final Set<View_OnAttachStateChangeListener> mListeners = new HashSet<View_OnAttachStateChangeListener>();
 572
 573         public OverflowMenuButton(Context context) {
 574             super(context, null, R.attr.actionOverflowButtonStyle);
 575
 576             setClickable(true);
 577             setFocusable(true);
 578             setVisibility(VISIBLE);
 579             setEnabled(true);
 580         }
 581
 582         @Override
 583         public boolean performClick() {
 584             if (super.performClick()) {
 585                 return true;
 586             }
 587
 588             playSoundEffect(SoundEffectConstants.CLICK);
 589             showOverflowMenu();
 590             return true;
 591         }
 592
 593         public boolean needsDividerBefore() {
 594             return false;
 595         }
 596
 597         public boolean needsDividerAfter() {
 598             return false;
 599         }
 600
 601         @Override
 602         protected void onAttachedToWindow() {
 603             super.onAttachedToWindow();
 604             for (View_OnAttachStateChangeListener listener : mListeners) {
 605                 listener.onViewAttachedToWindow(this);
 606             }
 607         }
 608
 609         @Override
 610         protected void onDetachedFromWindow() {
 611             super.onDetachedFromWindow();
 612             for (View_OnAttachStateChangeListener listener : mListeners) {
 613                 listener.onViewDetachedFromWindow(this);
 614             }
 615
 616             if (mOverflowPopup != null) mOverflowPopup.dismiss();
 617         }
 618
 619         @Override
 620         public void addOnAttachStateChangeListener(View_OnAttachStateChangeListener listener) {
 621             mListeners.add(listener);
 622         }
 623
 624         @Override
 625         public void removeOnAttachStateChangeListener(View_OnAttachStateChangeListener listener) {
 626             mListeners.remove(listener);
 627         }
 628     }
 629
 630     private class OverflowPopup extends MenuPopupHelper {
 631         public OverflowPopup(Context context, MenuBuilder menu, View anchorView,
 632                 boolean overflowOnly) {
 633             super(context, menu, anchorView, overflowOnly);
 634             setCallback(mPopupPresenterCallback);
 635         }
 636
 637         @Override
 638         public void onDismiss() {
 639             super.onDismiss();
 640             mMenu.close();
 641             mOverflowPopup = null;
 642         }
 643     }
 644
 645     private class ActionButtonSubmenu extends MenuPopupHelper {
 646         //UNUSED private SubMenuBuilder mSubMenu;
 647
 648         public ActionButtonSubmenu(Context context, SubMenuBuilder subMenu) {
 649             super(context, subMenu);
 650             //UNUSED mSubMenu = subMenu;
 651
 652             MenuItemImpl item = (MenuItemImpl) subMenu.getItem();
 653             if (!item.isActionButton()) {
 654                 // Give a reasonable anchor to nested submenus.
 655                 setAnchorView(mOverflowButton == null ? (View) mMenuView : mOverflowButton);
 656             }
 657
 658             setCallback(mPopupPresenterCallback);
 659
 660             boolean preserveIconSpacing = false;
 661             final int count = subMenu.size();
 662             for (int i = 0; i < count; i++) {
 663                 MenuItem childItem = subMenu.getItem(i);
 664                 if (childItem.isVisible() && childItem.getIcon() != null) {
 665                     preserveIconSpacing = true;
 666                     break;
 667                 }
 668             }
 669             setForceShowIcon(preserveIconSpacing);
 670         }
 671
 672         @Override
 673         public void onDismiss() {
 674             super.onDismiss();
 675             mActionButtonPopup = null;
 676             mOpenSubMenuId = 0;
 677         }
 678     }
 679
 680     private class PopupPresenterCallback implements MenuPresenter.Callback {
 681
 682         @Override
 683         public boolean onOpenSubMenu(MenuBuilder subMenu) {
 684             if (subMenu == null) return false;
 685
 686             mOpenSubMenuId = ((SubMenuBuilder) subMenu).getItem().getItemId();
 687             return false;
 688         }
 689
 690         @Override
 691         public void onCloseMenu(MenuBuilder menu, boolean allMenusAreClosing) {
 692             if (menu instanceof SubMenuBuilder) {
 693                 ((SubMenuBuilder) menu).getRootMenu().close(false);
 694             }
 695         }
 696     }
 697
 698     private class OpenOverflowRunnable implements Runnable {
 699         private OverflowPopup mPopup;
 700
 701         public OpenOverflowRunnable(OverflowPopup popup) {
 702             mPopup = popup;
 703         }
 704
 705         public void run() {
 706             mMenu.changeMenuMode();
 707             final View menuView = (View) mMenuView;
 708             if (menuView != null && menuView.getWindowToken() != null && mPopup.tryShow()) {
 709                 mOverflowPopup = mPopup;
 710             }
 711             mPostedOpenRunnable = null;
 712         }
 713     }
 714 }